Pyrethroid Insecticides Prevent the Voltage-Gated Sodium Channels of Insects from Inactivating

question 20

Multiple Choice

Pyrethroid insecticides prevent the voltage-gated sodium channels of insects from inactivating. Neurons that were exposed to pyrethroids would ________.

• A) become hyperpolarised during an action potential
• B) not repolarise during an action potential
• C) not be able to open potassium channels
• D) not release neurotransmitter molecules